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" But if trees, hills, &c. obstruct the view of the object, run the line according to the given bearing, and observe the nearest distance between the line so run and the corner, then, As the length of the whole line Is to 57.3 degrees,* 8o is the said distance... "
A System of Geometry and Trigonometry: With a Treatise on Surveying ... in ... - Halaman 77
oleh Abel Flint - 1833 - 306 halaman
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1821 - 544 halaman
...between the line so run and the corner, then, As the length of the whole line Is to 57.3 degrees,* 8o is the said distance To the difference of variation...it be required to run a line which some years ago boi>e NE. 45°, distance 80 perches, and in running this line by the given bearing, the corner is found...
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A Treatise on Surveying: Containing the Theory and Practice: to which is ...

John Gummere - 1828 - 216 halaman
...line, Is to the said distance ; So is 57.3 degrees,* To the difference of variation required. EXAMPLES. Suppose it be required to run a line, which some years ago bore N. 45° E. dist. 20 ch. and in running this line by the given bearing, the corner is found 20 links to the left...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1832 - 348 halaman
...line so run and the comer, then, v /^-i- * ' Ağ the length of the whole line \'*— J****^degreeS)* 9 So is the said distance To the difference of variation...be required to run a line which some years ago bore NE. 45°, distance 80 perches, and in running this line by the given bearing, the comer is found 20...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1833 - 348 halaman
...and observe the nearest distance be. tween the line so run and the corner, then, As the length of the whole line Is to 57.3 degrees,* So is the said distance...be required to run a line which some years ago bore NE. 45°, [distance 80 perches, and in running this line by the given bearing, the comer is found 20...
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A System of Geometry and Trigonometry: With a Treatise on Surveying; in ...

Abel Flint - 1835 - 334 halaman
...between the line so run, and the corner ; and then work the following proportion : As THE LENGTH OF THE WHOLE LINE, Is TO 57.3 DEGREES,* So IS THE SAID DISTANCE,...to run a line, which, some years ago, bore N. 45° £., distance 20 chains, and in running this * 57.3 degrees is the radius of a circle (nearly) in such...
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A System of Geometry and Trigonometry: With a Treatise on Surveying; in ...

Abel Flint - 1835 - 334 halaman
...between the line so run, and the corner ; and then work the following proportion : As THE LENGTH OF THE WHOLE LINE, Is TO 57.3 DEGREES,* So IS THE SAID DISTANCE,...To THE DIFFERENCE OF VARIATION REQUIRED. EXAMPLE. 4 Suppose it be required to run a line, which, some years ago, bore N. 45° E., distance 20 chains,...
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A System of Geometry and Trigonometry, with a Treatise on Surveying: In ...

Abel Flint - 1837 - 272 halaman
...between the line so run, and the corner ; and then work the following proportion : As THE LENGTH OF THE WHOLE LINE, Is TO 57.3 DEGREES,* So IS THE SAID DISTANCE,...REQUIRED. EXAMPLE. Suppose it be required to run a lme, which, some years ago, bore N. 45° E., distance 20 chains, and in running this line by the given...
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A System of Geometry and Trigonometry: With a Treatise on Surveying, in ...

Abel Flint - 1839 - 334 halaman
...between the line so run, and the corner ; and then work the following proportion : As THE LENGTH OF THE WHOLE LINE, Is TO 57.3 DEGREES,* So IS THE SAID DISTANCE,...N. 45° E., distance 20 chains, and in running this APPENDIX. 85 line by the given bearing, the corner is found 20 links to the left hand; what is the...
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A Treatise on Surveying, Containing the Theory and Practice: To which is ...

John Gummere - 1840 - 414 halaman
...corner ; then, As the length of the given line, Is to the said distance ; So is 57.3 degrees.* To tlje difference of variation required. EXAMPLE. • Suppose...to run a line, which some years ago bore N. 45° E. dist. 20 ch. and in running this line by the given bearing, the comer is found 20 links to the left...
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